Class: Chef::Provider::Subversion

Inherits:
Chef::Provider show all
Includes:
Mixin::Command
Defined in:
lib/chef/provider/subversion.rb

Constant Summary collapse

SVN_INFO_PATTERN = 
/^([\w\s]+): (.+)$/

Instance Attribute Summary

Attributes inherited from Chef::Provider

#action, #current_resource, #new_resource, #run_context

Instance Method Summary collapse

Methods included from Mixin::Command

#chdir_or_tmpdir, #handle_command_failures, #output_of_command, #run_command, #run_command_with_systems_locale

Methods included from Mixin::Command::Windows

#popen4

Methods included from Mixin::Command::Unix

#popen4

Methods inherited from Chef::Provider

#action_nothing, #cleanup_after_converge, #cookbook_name, #events, #initialize, #node, #process_resource_requirements, #requirements, #resource_collection, #run_action, #set_updated_status, #whyrun_mode?

Methods included from DSL::Recipe

#method_missing

Methods included from Mixin::ConvertToClassName

#convert_to_class_name, #convert_to_snake_case, #filename_to_qualified_string, #snake_case_basename

Constructor Details

This class inherits a constructor from Chef::Provider

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class Chef::DSL::Recipe

Instance Method Details

#action_checkout ⇒ Object 



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# File 'lib/chef/provider/subversion.rb', line 61

def action_checkout
  if target_dir_non_existent_or_empty?
    converge_by("perform checkout of #{@new_resource.repository} into #{@new_resource.destination}") do
      run_command(run_options(:command => checkout_command))
    end
  else
    Chef::Log.debug "#{@new_resource} checkout destination #{@new_resource.destination} already exists or is a non-empty directory - nothing to do"
  end
end

#action_export ⇒ Object 



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# File 'lib/chef/provider/subversion.rb', line 71

def action_export
  if target_dir_non_existent_or_empty?
    action_force_export
  else
    Chef::Log.debug "#{@new_resource} export destination #{@new_resource.destination} already exists or is a non-empty directory - nothing to do"
  end
end

#action_force_export ⇒ Object 



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# File 'lib/chef/provider/subversion.rb', line 79

def action_force_export
  converge_by("export #{@new_resource.repository} into #{@new_resource.destination}") do
    run_command(run_options(:command => export_command))
  end
end

#action_sync ⇒ Object 



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# File 'lib/chef/provider/subversion.rb', line 85

def action_sync
  assert_target_directory_valid!
  if ::File.exist?(::File.join(@new_resource.destination, ".svn"))
    current_rev = find_current_revision
    Chef::Log.debug "#{@new_resource} current revision: #{current_rev} target revision: #{revision_int}"
    unless current_revision_matches_target_revision?
      converge_by("sync #{@new_resource.destination} from #{@new_resource.repository}") do
        run_command(run_options(:command => sync_command))
        Chef::Log.info "#{@new_resource} updated to revision: #{revision_int}"
      end 
    end
  else
    action_checkout
  end
end

#checkout_command ⇒ Object 



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# File 'lib/chef/provider/subversion.rb', line 107

def checkout_command
  c = scm :checkout, @new_resource.svn_arguments, verbose, authentication,
      "-r#{revision_int}", @new_resource.repository, @new_resource.destination
  Chef::Log.info "#{@new_resource} checked out #{@new_resource.repository} at revision #{@new_resource.revision} to #{@new_resource.destination}"
				c
end

#current_revision_matches_target_revision? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/chef/provider/subversion.rb', line 152

def current_revision_matches_target_revision?
  (!@current_resource.revision.nil?) && (revision_int.strip.to_i == @current_resource.revision.strip.to_i)
end

#define_resource_requirements ⇒ Object 



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# File 'lib/chef/provider/subversion.rb', line 49

def define_resource_requirements
  requirements.assert(:all_actions)  do |a|
    # Make sure the parent dir exists, or else fail.
    # for why run, print a message explaining the potential error.
    parent_directory = ::File.dirname(@new_resource.destination)
    a.assertion { ::File.directory?(parent_directory) }
    a.failure_message(Chef::Exceptions::MissingParentDirectory, 
      "Cannot clone #{@new_resource} to #{@new_resource.destination}, the enclosing directory #{parent_directory} does not exist")
    a.whyrun("Directory #{parent_directory} does not exist, assuming it would have been created")
  end
end

#export_command ⇒ Object 



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# File 'lib/chef/provider/subversion.rb', line 114

def export_command
  args = ["--force"]
  args << @new_resource.svn_arguments << verbose << authentication <<
      "-r#{revision_int}" << @new_resource.repository << @new_resource.destination
  c = scm :export, *args
  Chef::Log.info "#{@new_resource} exported #{@new_resource.repository} at revision #{@new_resource.revision} to #{@new_resource.destination}"
				c
end

#find_current_revision ⇒ Object 



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# File 'lib/chef/provider/subversion.rb', line 141

def find_current_revision
  return nil unless ::File.exist?(::File.join(@new_resource.destination, ".svn"))
  command = scm(:info)
  status, svn_info, error_message = output_of_command(command, run_options(:cwd => cwd))

  unless [0,1].include?(status.exitstatus)
    handle_command_failures(status, "STDOUT: #{svn_info}\nSTDERR: #{error_message}")
  end
  extract_revision_info(svn_info)
end

#load_current_resource ⇒ Object 



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# File 'lib/chef/provider/subversion.rb', line 39

def load_current_resource
  @current_resource = Chef::Resource::Subversion.new(@new_resource.name)

  unless [:export, :force_export].include?(Array(@new_resource.action).first)
    if current_revision = find_current_revision
      @current_resource.revision current_revision
    end
  end
end

#revision_int ⇒ Object Also known as: revision_slug

If the specified revision isn’t an integer (“HEAD” for example), look up the revision id by asking the server If the specified revision is an integer, trust it.



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# File 'lib/chef/provider/subversion.rb', line 126

def revision_int
  @revision_int ||= begin
    if @new_resource.revision =~ /^\d+$/
      @new_resource.revision
    else
      command = scm(:info, @new_resource.repository, @new_resource.svn_info_args, authentication, "-r#{@new_resource.revision}")
      status, svn_info, error_message = output_of_command(command, run_options)
      handle_command_failures(status, "STDOUT: #{svn_info}\nSTDERR: #{error_message}")
      extract_revision_info(svn_info)
    end
  end
end

#run_options(run_opts = {}) ⇒ Object 



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# File 'lib/chef/provider/subversion.rb', line 156

def run_options(run_opts={})
  run_opts[:user] = @new_resource.user if @new_resource.user
  run_opts[:group] = @new_resource.group if @new_resource.group
  run_opts
end

#sync_command ⇒ Object 



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# File 'lib/chef/provider/subversion.rb', line 101

def sync_command
  c = scm :update, @new_resource.svn_arguments, verbose, authentication, "-r#{revision_int}", @new_resource.destination
  Chef::Log.debug "#{@new_resource} updated working copy #{@new_resource.destination} to revision #{@new_resource.revision}"
				c
end

#whyrun_supported? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/chef/provider/subversion.rb', line 35

def whyrun_supported?
  true
end